Montessori tibneeg hu tauj coob Board rau cov me nyuam me

Qhov kev kawm no Ntoo Rooj Ua Si ua si yog ib qho kev kawm txuj ci kev ua si ntawm geometry Puzzle, muaj ib qho chaw pib ua si, ib qho chaw prescheel, ib pawg ntawm Greatwheel, thiab 8 hom sib txawv.